National Gallery of Ireland

The National Gallery holds more than 15,000 works. You can while away a day exploring the various collections, including their national collection, which features some renowned Irish paintings. They also host an extensive European collection, which runs from the early Renaissance through to the mid-twentieth century, with works by the likes of Picasso, Van Gogh, Monet and Vermeer to feast on. Open 361 days of the year, with free tours, lectures and workshops, there is plenty here to pique your interest.